. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CAMPANIAN AND MAASTRICHT!AN OSTRACODA 49 CYTH ERURIDAE 818 20 21 113 110 8 7-3 7-2 7-1 5 3 1-3* 1-2* 1-1 1 13" 11~ 3] f O" 21 19 14 2 82 0 87 0 88 0 89 0 923 97-5 1000 102-2 106 d 110-0 • — ~^ ? SCHIZOCYTHERIDAE LAPATELOSCHIZOCYTHERE).] AMPHICYTHERURA! t r 5 15 SANTONIAN. E J J —1—1—1— 20 40 5b 4b 4a Fig. 22. Distribution of Cytheruridae and Schizocytheridae in Campanian-Maastricltfian strata of Zululand and Agulhas Bank. A. Total number of valves of Eucytherura? pyramidatus. B. Total numbe
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. CAMPANIAN AND MAASTRICHT!AN OSTRACODA 49 CYTH ERURIDAE 818 20 21 113 110 8 7-3 7-2 7-1 5 3 1-3* 1-2* 1-1 1 13" 11~ 3] f O" 21 19 14 2 82 0 87 0 88 0 89 0 923 97-5 1000 102-2 106 d 110-0 • — ~^ ? SCHIZOCYTHERIDAE LAPATELOSCHIZOCYTHERE).] AMPHICYTHERURA! t r 5 15 SANTONIAN. E J J —1—1—1— 20 40 5b 4b 4a Fig. 22. Distribution of Cytheruridae and Schizocytheridae in Campanian-Maastricltfian strata of Zululand and Agulhas Bank. A. Total number of valves of Eucytherura? pyramidatus. B. Total number of valves of Cytheropteron brenneri. C. Total number of valves of Cytherop- teron cf. C. westaustraliense. D. Total number of valves of Pedicythere fragilis. E. Total number of valves of Amphicytherura sp. A. F. Total number of valves of Amphicytherura tumida. G. Total numbei of valves of Amphicytherura zululandensis. H. Total number of valves of Amphicytherura armatus. I. Total number of valves of Apateloschizocythere laminata. J. Total number of valves of Apateloschizocythere mclachlani. K. Schizocytheridae as percen- tage of Cytheracea. Amphicytherura tumida Dingle, 1969 Figs 23C, 25A Amphicytherura (A.) tumida Dingle, 1969: 368-370, fig. 13. Amphicytherura tumida Dingle, 1980: 20-21, fig. 10A-F. Remarks No further specimens of this species have been found above the top levels from which it was recorded in the Richards Bay borehole (bed number ) (Dingle 1980) where it is evidently at the top of its range. One carapace has been found in sample Pil3 (Campanian I) at Umzamba. Locally, therefore, the extinction of A. tumida can be used as a rough guide to the Santonian- Campanian Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original South African Museum. Cape Town : The Museum
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